Green/Yellow 2-Piece Set: Things 4 Strings Bow Hold Buddies， Award-winning Violin / Viola Teaching Aid<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Flexes thumb to touch intersection of frog and stick </span></li><li><span class="a-list-item"> Supports curved pinky </span></li><li><span class="a-list-item"> Postions index finger to rest on bow </span></li><li><span class="a-list-item"> Fingers still contact bow in all the customary places </span></li><li><span class="a-list-item"> Universal Fit -- for child to adult hand sizes </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31MiHcnhu8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/2161oZVrYRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41smxZIVdIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311OGmHDt-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51JhIyOuBtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Zssn-hFhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51rgHLRaJ-L.jpg" noproxy>