Great swim training aid zoggs hand paddles are a great swim training aid for improving your stroke technique as they force your hand to stay straight as you pull through the water they39re also hydro dynamically designed and feature a scooped front end to catch the phase of your stroke with added holes to increase your feel of the water can be used on their own or with a pull buoy allowing you to focus solely improving your swimming stroke technique zoggs recommendsif you39re conside