Anyone with a Festool Domino has made the mistake of doing a dry fit without sanding down the Dominos first: They go in just fine, but getting 'em out is a pain, especially if you let the assembled joint sit for any amount of time.
Here's a little puller I made by cutting a mortise in between two pieces of wood and adding just enough screw tip to grab the Domino fairly solidly:
Category: Festool Category:: Woodworking