I've been asked a few times if Speardiver small hole speargun rubber tubing is difficult to insert wishbones into. Here I have a piece of 19mm small hole Speardiver rubber and dishwashing detergent. The head on the Speardiver 14mm-1 Euro Muzzle Band Adapters is pretty big and not pointy, as you can see it goes in quick.
<object style="width: 680px; height: 413px;" width="680" height="413" data="http://www.youtube.com/v/DvISLnDNSt0&vq=hd720" type="application/x-shockwave-flash"><param name="data" value="http://www.youtube.com/v/DvISLnDNSt0&vq=hd720" /><param name="src" value="http://www.youtube.com/v/DvISLnDNSt0&vq=hd720" /><param name="wmode" value="transparent" /></object>