Plug length issues
So i have 3 plugs. I have a cone shaped one, i think its a mr leather type one. Its about the width of a SPT egg plug M which i also have. I also have an SPT egg plug L. So i can wear the cone for upwards of 4 hours, no issues there. The SPT M is where im having issues. I assume its because of its length which is a bit longer than my cone plug. I cant wear it for much longer than an hour as when im sitting it feels like its digging into what i assume is the fold in my rectum. It gets painful quickly. I was hoping to wear it about the same duration as my cone plug as its extremely similar but it doesnt seem to be working. The SPT L doesnt have this issue. It gets painful after an hour also but its because its too big not because its digging in. Thats ok, thats meant to happen. I assume its because its long enough to make it past the fold and push it out of the way. Are my assumptions correct? Is there anything i can do to be able to wear the M as long as the cone plug or do i just need to work up the duration gradually again?