diff --git a/server.js b/server.js
index 4858095..5b5556e 100644
--- a/server.js
+++ b/server.js
@@ -297,7 +297,7 @@ io.sockets.on('connection', function (socket) {
 
     if(!('avatars' in player)) {
       player = undefined;
-      return callback('fail', { code: 3, message: 'Currputed accound - no avatar list.'});
+      return callback('fail', { code: 3, message: 'Corrupted account - no avatar list.'});
     }
     for(var k in player.avatars) {
       socket.join(k);
@@ -312,7 +312,9 @@ io.sockets.on('connection', function (socket) {
   var check_feature = function(object, feature) {
     if(!object.features[feature]) {
       throw { code: 8, message: 'Specified component doesn\'t  have ' + feature + ' capabilities' };
+      return false;
     }
+    return true;
   };
 
   var battery_check = function(battery, energy) {
@@ -481,25 +483,15 @@ io.sockets.on('connection', function (socket) {
       return;
     if(typeof target.manipulator_slot === 'undefined')
       return fail(999, 'Manipulator empty - nothing to be attached.');
-    var hub = find_co_component(target, data.hub, 'hub');
-    if(typeof data.hub_slot !== 'number')
-      return fail(999, 'hub slot should be a number.');
-    var idx = Math.round(data.skeleton_slot);
-    if(idx < 0)
-      return fail(999, 'Specified skeleton doesn\'t have negative slots.');
-    if(idx >= skeleton.skeleton_slots.length)
-      return fail(999, 'Specified skeleton doesn\'t have that many slots.');
-    if(skeleton.skeleton_slots[idx])
-      return fail(999, 'Skeleton '+data.skeleton+' slot '+idx+' occupied by '+skeleton.skeleton_slots[idx].id+'.');
+    if(typeof data.hub === 'undefined')
+      return fail(999, 'You must define hub to attach to.');
+    var hub = common.get(data.hub);
 
     var o = target.manipulator_slot;
-    skeleton.skeleton_slots[idx] = o;
-    o.parent = skeleton;
-    delete target.manipulator_slot.position;
-    delete target.manipulator_slot.velocity;
+    connect(hub, o);
     delete target.manipulator_slot.grabbed_by;
     delete target.manipulator_slot;
-    socket.emit('manipulator attached', { manipulator: { id: target.id }, skeleton: { id: skeleton.id }, slot: idx, object: { id: o.id } });
+    socket.emit('manipulator attached', { manipulator: { id: target.id }, hub: { id: hub.id }, object: { id: o.id } });
   });
 
   on('manipulator detach', function(target, data) {
diff --git a/static/common.js b/static/common.js
index b04916a..2b45c1a 100644
--- a/static/common.js
+++ b/static/common.js
@@ -97,6 +97,10 @@
 	String.prototype.capitalize = function() {
 		return this.charAt(0).toUpperCase() + this.slice(1);
 	}
+	
+	var get_position = e.get_position = function(object) {
+	    return vectors.create(object.position);
+	};
 
 })(typeof exports === 'undefined' ? this['common'] = {} : exports);
 
diff --git a/static/manipulator.js b/static/manipulator.js
index d0ae018..a05a187 100644
--- a/static/manipulator.js
+++ b/static/manipulator.js
@@ -18,19 +18,15 @@ socket.on('manipulator released', function(data) {
   delete objects[data.id].manipulator_slot;
 });
 
-var attach = function(hub, slot) {
+var attach = function(hub) {
   hub = common.get(hub);
-  socket.emit('manipulator attach', {target: manipulator.id, hub: hub.id, hub_slot: slot});
+  socket.emit('manipulator attach', {target: manipulator.id, hub: hub.id});
 };
 
 socket.on('manipulator attached', function(data) {
   var s = common.get(data.hub.id);
   var o = common.get(data.object.id);
   var m = common.get(data.manipulator.id);
-  s.hub_slots[data.slot] = o;
-  o.parent = s;
-  delete o.position;
-  delete o.velocity;
   delete o.grabbed_by;
   delete m.manipulator_slot;
   socket.emit('report', { target: o.id });