https://vatra.com/shop/12-lock-n-load/#.WYCRmYTyupo
had to return something to a smoke shop and they had this case laying around. fits it perfect and its super customizable as to what can fit in there. you remove the padding by the square if that makes sense. it has a lock but it wouldnt stop...
box: https://www.myvaporstore.com/Tesla-Stealth-70W-TC-Box-Mod-p/tes-st20.htm
A user posted this setup awhile back on this forum couldnt find it to give him credit but I went and got the same box mod and ordered another nibbler after my first broke. the herc is one of the first ones that came...
So I experienced the same thing with the nibbler XL.
The piece got stuck the same ways yours did. customer service said they have 2 different sized o rings to accommodate variations in the glass... first o ring went in without problem but didnt provide suction. second one I had to press more...