<div id="video-block-R23L2MYUFN44HH" class="a-section a-spacing-small a-spacing-top-mini video-block"></div><input type="hidden" name="" value="https://images-na.ssl-images-amazon.com/images/I/C10n4Kcl36S.mp4" class="video-url"><input type="hidden" name="" value="https://images-na.ssl-images-amazon.com/images/I/715Fvh4BrBS.png" class="video-slate-img-url">&nbsp;These are so easy to unlock that you will actually use them which to me is what really matters.  Just make sure you line the locking shaft up behind your trigger.  For a detailed review please see my video.  I hope it helps you make your decision.