The term is thought to originate from the nautical world and has strong associations with rope, knots, and suspension. Other forms of restraint may also be used; such as fabric, leather and steel.
Rigger is sometimes thought to be a more technical term than the more artistic "rope top", while remaining less pretentious than the japanese inspired term "nawashi".
See also rigging
2) While a rigger may sometimes refer to his subject as a "load", it is best not to do so within said subject's hearing.
b) Indeed I profited greatly from this great endeavor, but I must acknowledge that none of this could have been accomplished without the devotion of my loyal riggers.