Kevin Pearce made a simple & cheap mast crutch from a pressure treated 2"x6"x8' board. The mast crutch gets the mast high enough to make it much easier to raise the mast single handed. To avoid undue stress on the pintles, the mast crutch is not used while trailering, only while parked.

He installed Ronstan model RF2501 nylon rudder gudgeons at the bottom. At the top, Kevin made a cut-out for the mast and put a roller at the bottom of the notch.