New 20 ounce tumblers available now! Forum donation credit with purchase. https://www.wildguzzi.com/Products/products.htm#Tumbler
Sheesh, everybody's a critic. Maybe you should track him down through his plate, build him a new one to your specifications for free and be done with it. I'm sure he'd appreciate it. Paul B
Maybe it's an anti-flip-wheelie thingy...