Capt. Hans wrote:
How not to drop an anchor ! This video is only 10 seconds long. But
this is double the time then it took for this Anchor to destroy a boat:

http://www.jumpingpixels.com/ships.html

Aside from the guy tossed overboard by the impact, it looked like the
little tug recovered surprisingly well. Probably no details available
on damage to deck, frames, etc........