Metalbond reader Louis sent in this information about a new way law enforcement can restrain a perp:

“The BolaWrap® is a hand-held remote restraint device that discharges an 8 foot bola style Kevlar® tether at 513 feet per second to entangle a subject at a range of 10-25 feet.”

Here’s a picture:

And a video:

Official website for the supplier here