Disipline to be still while he binds you is nessesary to some degree, especially if he is new to the many and varied uses of rope.
Of course he could use a simple postal hitch to hog tie and sit on you first, giving him time to place his ties more effectivly.
Knots are something to be planned and practiced many times privately before attempting them; regaurdless of weather they are used to climb a mountian or restrain a girl for her use.
Also, if your giving him way too much struggle, he could resort to zip-ties and or handcuffs to hold you in preparation for better binding with rope.
It also helps to use the right kind of rope to begin with, nylon simply won't do. He needs a pliable rope that still creates enough friction under tension to not slip.
I recomnd hemp or jute for maxinum friction.
When binding ones slave with traditional nawa shibari techniques one doesn't even use knots. The Japanese believe it dis-honors both the practicioner and his subject to do so.
Why doesn't he come here to the site himself?