I'm a bard ropemaster, I can make a trumpet knot and use it as my instrument.
http://www.stokkoybaat.org/knuter.htmWhich of these knots do you use to fetch a pocket plane?
I can sort of see the damage potential if you use a rope to first make a monkey hand knot, preferably with something nasty inside the monkey hand, like a rock or small piece of metal, then swinging the rope more or less like a ball&chain.
Another way to hurt someone with a rope would be to trap them with the rope and yoink really hard! Maybe you dislocate a shoulder, make them fall over, fall on the face, choke them with a noose... It seems very gimmicky and not exactly technical efficiency. Unless you have a magical rope, I think it would be very hard making it work.
"I'm the master of ropes! Fear me!" *lots of tricks, making knots and being a show off*
"Cool". *fires crossbow*. Just like Indiana Jones ;)