A diagram showing the operation of <a href="https://en.wikipedia.org/wiki/catch_points" class="extiw" title="w:catch points">catch points</a>
Chris McKenna (<a href="//commons.wikimedia.org/wiki/User:Thryduulf" title="User:Thryduulf">Thryduulf</a>)
2006-06-22
<span class="int-own-work" lang="en">Own work</span>