It looks like the Cinch is just a modified version of a figure 8 descender (rappelling device). A standard one is rated high enough to lift the boat. They cost in the range of $10.00. Available at most good outdoors stores and on the Internet. I have one in a bag from a more terrain challenged life ...

Our 2001 X has a 25 gallon aluminum tank below deck. We purhased the boat from its second owner last summer. The story is the original owner was a merchant sea captain and had installed several upgrades (which are evident). I was rather concerned also and throughly inspected the installation before ...