You'll be kicking something firm and bruises will resemble bite marks - or maybe claw marks? It's a snatch-and-snare type rather than a bind-and-hold.

When and if players teleport in to the lake, they'll have the element of surprise on their side. This can be enough to get away fast if you have wits about you, or get some good kicks up to the thin icy surface. For those of you who tarry too long or try to swim down, you're going to be in trouble.