Grappling Strike

D&D 2014 optional feature: Grappling Strike. Source: Tasha's Cauldron of Everything. feature type Maneuver Immediately after you hit a creature with a melee attack on your turn, you can expend one superiority die and then try to grapple the target as a bonus action (see the Player's Handbook for rules on grappling). Add the superiority die to your Strength (Athletics) check. Maneuver

Source: Tasha's Cauldron of Everything, p. 42 - Licenses and attribution