Knowing the risks is part of informed consent.
Rope bondage carries many risks. Both the placement of rope against skin and how tightly it’s applied can impact physiological body functions. Primarily nervous and cardiovascular systems.
Resources on nerve risks:
Rope Study’s Nerves & Circulation 101 - Nerves and circulation. Rich in details and magical wonder.
Shay’s “Six Horsepeople of the Nervepocalypse” - Great fetlife writing on nerve risk, damage, and causes.
Overview from Crash Restraint - addresses basic safety, goes over the nerves.
Shibari Classes look into Nerve Damage - Good material with videos and notes.