Smother

Melee Weapon Attack: +5 to hit, reach 5 ft., one Large or smaller creature. Hit: The target is grappled (escape DC 13). Until this grapple ends the target is restrained and can't breathe. When the rug is dealt damage while it is grappling it takes half the damage (rounded down) and the other half is dealt to the grappled target. The rug can only have one creature grappled at once.

Squeeze

One creature grappled by the rug takes 10 (2d6 + 3) bludgeoning damage.