Stroke Improvement Aid in Swimming

This page is the CodyCross answer for the clue below from Renaissance, Group 1387, Puzzle 2 (Claudio Monteverdi).

Question is: Stroke Improvement Aid in Swimming

and the answer is: KICKBOARD

Word Meaning:

KICKBOARD — A small, buoyant board used to support a swimmer's upper body and arms while allowing free kicking movements.

Definitions from Wiktionary.