An aquatic training device including a body having a contact surface for engaging a hand of a user and a securing fin extending substantially transverse from the contact surface. The securing fin further includes a retaining member spaced from the contact surface. The aquatic training device is designed to improve a user's stroke technique, particularly with respect to hand arm positioning while swimming, by forcing the user to engage shoulders, arms, elbows, wrists, hands, and fingers in optimal hand arm positions while swimming.