Just an fyi, GVB has a fair amount of stems that are on sale.
Just bought this U-hook.
https://goodvibesboro.com/store/Tinymight-U-Hook-With-Spikes-And-Cooling-Marbles-p582586635
I prefer less heady stems because I only use my TM 2 outside the house. I'd feel less pissed off breaking a $50...