NSFW Pictures, Need advice on how to not cause cuts in skin using a canister

[Shadow]

In the past and with current usage of the canister method I have gotten these cuts/lesions. Anyone else have issues like this even after a few days of having the canister taped on? I've been tugging for around 20 mins a few times throughout each day. I will wait for the cut to heal before I continue use.

[Robrestoration]

I think the cannister is too narrow. Or the edge is too sharp. Ron has some videos on how I think he dremmel’d his to be smoother.

[Reality]

I used a cannister for years, and what I did was bevel the edges of the cylinder with sandpaper, and then run a length of tape around that bevel.

[Shadow]

I think the cannister is too narrow. Or the edge is too sharp. Ron has some videos on how I think he dremmel’d his to be smoother.

Thanks for the advice, think I'll just continue to utilize the tlc tugger that I have as I won't have to use tape thats constantly on.