Video of a man using a Shake Weight
<a rel="nofollow" class="external text" href="https://www.youtube.com/channel/UCBqDHewg9XhqNSoW8AKJNZw">Alessandra Cernuska</a>
CC BY 3.0
<a rel="nofollow" class="external free" href="https://www.youtube.com/watch?v=D-zDqd2m0Rs">https://www.youtube.com/watch?v=D-zDqd2m0Rs</a>