I had a need to safely remove a C clip holding in two pusher buttons and thought I would share my method on the forum.
I had a spring bar removal tool with a solid pin on one end and a scalloped forked end on the other. I placed a small bit of rodico on the bottom side of the clip and turned the C <- gap facing up. As you can see in the picture, I simply used the forked end that was the perfect gap to push off the c clips. I installed by getting the clip in place, C gap facing down, and used a #200 flat screwdriver blade and carefully pressed down to lock in place. I used the case wall to keep the c clip and push button slit in line. Don't attempt to push the c clip back on with the button pressed all the way in, use the wall of the case to help keep the clip straight in line. Hope this helps someone.