When the Mighty+ dropped there were discount codes that worked. looks like the Venty is excluded from all discount codes this round.
The VENTY (SKU 01 01 VY) is excluded from all promotions.
Take a long 14mm female and invert the glass piece then use a zip tie to secure bag. place on herbie and enjoy.
Even without a closed mouthpiece, it leaks the same amount as OEM bags.