Yesterday around 5pm I thought it'd be fun to photograph some flowers, swapped the lens on the D850 for the 105 and wanted to take my gimbal off the tripod and put the RRS head back on. This didn't go well, the gimbal had apparently welded itself to the tripod. The last memory I have - before I lost the ability to think in a rational manner - was pounding on it with a rubber mallet trying to loosen it. Mallet didn't help, but I did get a nasty metal sliver in my thumb, probably left over from when I re-threaded the cheap tripod spike feet I'd bought. This sliver hurt like hell. Went to the allen wrench/mallet approach and finally got it loose. At this point in time I'm willing to spend whatever it will take so I do not ever have to do this again. I'd wasted almost an hour of daylight fiddling with this thing, my flower photography plans were out the window, had a nasty metal sliver in my thumb and I recalled I'd seen a Steve Perry video on how to swap heads quickly. Pulled up the video (link is below), went to B&H and ordered the RRS parts in the video. My wife offered to remove the sliver after I'd had a couple small glasses of wine. It still hurt.