Multiattack

Two Claw attacks. It can replace one attack with use of Constricting Tail.

Claw

Melee Weapon Attack: +6 to hit, 5 ft., one target, 11 (2d6+4) slashing damage.

Constricting Tail

A Large or smaller creature within 5 ft. of the lizard must make DC 12 Dex save or be grappled (escape DC 14). Until this grapple ends the target is restrained can't breathe and begins to suffocate and the giant mole lizard can't use Constricting Tail on another target.