diff --git a/mbchc-local.user.js b/mbchc-local.user.js
index 8d62e8d..043b508 100644
--- a/mbchc-local.user.js
+++ b/mbchc-local.user.js
@@ -34,7 +34,7 @@ var bcModSdk=function(){"use strict";const o="1.0.2";function e(o){alert("Mod ER
         RE_PREF_ACTIVITY_ME: /^@/,
         RE_PREF_ACTIVITY:    /^@@/,
         RE_ACT_CHARS: /^<(\d+)?:(\d+)?>/,
-        RE_TZ: /(?:GMT|UTC)([+-]\d\d?)/,
+        RE_TZ: /(?:GMT|UTC)([+-]\d\d?)/i,
         RGB_MUTE: "#6c2132",
         RGB_POLLY: "#81b1e7",
         UTC_OFFSET: new Date().getTimezoneOffset() * 60 * 1000,
@@ -163,6 +163,19 @@ var bcModSdk=function(){"use strict";const o="1.0.2";function e(o){alert("Mod ER
             { Tag: "activity", Description: "[Message]: Send a custom activity (or \"@@Message\", or \"@Message\" as yourself)", Action: (argline, cmdline, args) => { window.MBCHC.command_activity(argline, cmdline, args) } },
             { Tag: "do", Description: ": Do an activity, as if clicked on its button (\"/do\" for help)", Action: (argline, cmdline, args) => { window.MBCHC.command_do(argline, cmdline, args) } },
         ],
+        calculate_maps: function() {
+            this.DO_DATA = {verbs: {}, zones: {}}
+            for (let [verbs, data] of Object.entries(this.MAP_ACTIONS)) {
+                let unwound = {}
+                for (let [zones, actions] of Object.entries(data)) {
+                    let all = (actions.all) ? actions.all.split("|") : []
+                    let processed = {self: (actions.self) ? actions.self.split("|").concat(all) : all, others: (actions.others) ? actions.others.split("|").concat(all) : all}
+                    for (let zone of zones.split(",")) unwound[`Item${zone}`] = processed
+                }
+                for (let verb of verbs.split("|")) this.DO_DATA.verbs[verb] = unwound
+            }
+            for (let [ag, zones] of Object.entries(this.MAP_ZONES)) for (let i in zones) this.DO_DATA.zones[zones[i]] = ag
+        },
         settings: function(setting = null) {
             let settings = window.Player.OnlineSettings.MBCHC || {}
             return(setting ? settings[setting] : settings)
@@ -209,9 +222,15 @@ var bcModSdk=function(){"use strict";const o="1.0.2";function e(o){alert("Mod ER
         run_activity: function(char, ag, action) { try {
             char.FocusGroup = window.AssetGroupGet(char.AssetFamily, ag)
             if (!char.FocusGroup) throw "invalid AssetGroup"
-            let activity = window.ActivityAllowedForGroup(char, char.FocusGroup.Name).find( a => a.Name === action)
+            let activity = window.ActivityAllowedForGroup(char, char.FocusGroup.Name, true).find( a => a.Name === action)
             if (!activity) throw "invalid activity"
-            window.ActivityRun(char, activity)
+            if (activity.Name.endsWith("Item")) {
+                var dict = [{Tag: "NextAsset", AssetName: "SpankingToys"}, {Tag: "FocusAssetGroup", AssetGroupName: ag}, {Tag: "SourceCharacter", Text: window.CharacterNickname(window.Player), MemberNumber: window.Player.MemberNumber}]
+                dict.push({Tag: "DestinationCharacter", Text: window.CharacterNickname(char), MemberNumber: char.MemberNumber})
+                window.ServerSend("ChatRoomChat", {Type: "Action", Content: `ActionActivity${activity.Name}`, Dictionary: dict})
+            } else {
+                window.ActivityRun(char, activity)
+            }
         } finally {
             char.FocusGroup = null
         } },
@@ -293,11 +312,11 @@ var bcModSdk=function(){"use strict";const o="1.0.2";function e(o){alert("Mod ER
         find_timezone: function(char) {
             let timezones = this.settings("timezones")
             if (timezones && timezones[char.MemberNumber]) return(timezones[char.MemberNumber])
-            let match = char.Description.match(this.RE_TZ)
+            let match = (char.Description) ? char.Description.match(this.RE_TZ) : null
             if (match) return(Number.parseInt(match[1]))
             return(null)
         },
-        player_enters_room: function() {
+        player_enters_room: function() { // FIXME: Description may not be ready yet
             this.hello()
             for (let i in window.ChatRoomCharacter) {
                 let char = window.ChatRoomCharacter[i]
@@ -346,25 +365,33 @@ var bcModSdk=function(){"use strict";const o="1.0.2";function e(o){alert("Mod ER
             }
         } catch (x) { this.report(x) } },
         command_activity: function(argline, cmdline, args) { if (!this.empty(argline)) { try {
-          let message = this.normalise_message(cmdline.replace(this.RE_ACTIVITY, ''), {trim: true, dot: true, up: true})
-          this.send_activity(message)
+            let message = this.normalise_message(cmdline.replace(this.RE_ACTIVITY, ''), {trim: true, dot: true, up: true})
+            this.send_activity(message)
         } catch (x) { this.report(x) } } },
         command_do: function(argline, cmdline, args) { try {
-          if (args.length < 1) {
-          }
-          let char = window.Player
-          if ("-" !== args[0]) {
-              let id = Number.parseInt(args[0])
-              let char = this.id2char(id)
-          }
-          if (!char) throw "invalid member number"
-          if (args.length < 2) {
-          }
-          if (args.length < 3) {
-          }
-          let ag = args[1]
-          let action = args[2]
-          this.run_activity(char, ag, action)
+            // 1. verb target
+            // 2. arousal for items
+            if (args.length < 1) return(this.inform("<div>Usage: /do VERB [ZONE] [TARGET]</div><div>Available verbs:</div>" + Object.keys(this.MAP_ACTIONS).join(", ") + "<div>Available zones:</div>" + Object.keys(this.DO_DATA.zones).join(", ")))
+            let [verb, zone, target] = args
+            if (!this.DO_DATA.verbs[verb]) throw `unknown verb "${verb}"`
+            let zones = this.DO_DATA.verbs[verb]
+            if (1 === Object.keys(zones).length) zone = this.MAP_ZONES[Object.keys(zones)[0]][0]
+            if (!zone) throw "zone missing"
+            let ag = this.DO_DATA.zones[zone]
+            let char = window.Player
+            if (target && ((zones[ag].self.length < 1) || (zones[ag].others.length > 0))) {
+                char = this.id2char(target)
+                if (!char) throw "invalid target"
+            }
+            let type = (char.MemberNumber === window.Player.MemberNumber) ? "self" : "others"
+            let available = window.ActivityAllowedForGroup(char, ag)
+            let toy = window.InventoryGet(window.Player, "ItemHands")
+            if (toy && toy.Asset.Name === "SpankingToys") available.push(window.AssetAllActivities(char.AssetFamily).find(a => a.Name === window.InventorySpankingToysGetActivity(window.Player)))
+            let actions = zones[ag][type]
+            if (!actions) throw `zone "${zone}" invalid for verb "${verb}"`
+            let action = actions.find(name => available.find(a => a.Name === name))
+            if (!action) throw "invalid action"
+            this.run_activity(char, ag, action)
         } catch (x) { this.report(x) } },
         loader: function() {
             if (this.LOADED) return //FIXME: unhook if hooked, no need to call this every time
@@ -374,6 +401,7 @@ var bcModSdk=function(){"use strict";const o="1.0.2";function e(o){alert("Mod ER
             this.RE_ACTIVITY = RegExp(`^${this.CommandsKey}activity `)
             this.PREF_ACTIVITY = `${this.CommandsKey}activity `
             // Actions
+            this.calculate_maps()
             this.patch_handheld()
             window.Player.MBCHC = {VERSION: this.VERSION}
             window.CommandCombine(this.COMMANDS)