Very good quality videos ! Another tip is, when you have drawn a chain line and you want to continue if you hover the cursor you will see all the constraints, if you want lets say the vertical constraint you right click ones, a thick green circle will appear outside from the constraints and lock it.
![Diggy Graves - Red Vineyard [Official Lyric Video]](http://i.ytimg.com/vi/8Ro085T0mnQ/mqdefault.jpg)
Very good quality videos !
Another tip is, when you have drawn a chain line and you want to continue if you hover the cursor you will see all the constraints, if you want lets say the vertical constraint you right click ones, a thick green circle will appear outside from the constraints and lock it.