Loose keycaps from o-ring mod

[Amo]

I recently got a Noppoo Choc Mini with MX Reds and put some O-rings on the keys. Now the keys are really loose and pop off. They don't pop off during normal use, but if I run my hands across the board several keys pop out. Is there some secret method to putting the keys back on the switches?

Here is an image of the o-ring on one of the keycaps. The o-ring I used was 3/16" thick and covers half of the stem. I get the feeling that the switches aren't fulling seating in the stem and that is making them wobble and pop off.

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[Djuzuh]

The oring is way to big.

Where did you find those?

[Amo]

It was one of the options on a group buy a couple of months back. I just found it on a website that sells o-rings, McMaster-Carr. I want maximum key travel reduction and these were the thickest. Plus I saw a youtube video of a guy who put them on his poker.

[Amo]

Update on the issue, I put 1-2 layers of saran wrap between the keycap and the switch and the problem was solved!