The problem you sometimes have with tailvore is that it's easier for the prey to slip out seen as they are constantly behind you with little attention being paid to them. Sure can close up tailmaw and keep them sealed, or swallow them deeper, but what if you want to show them off but also make sure they're secure?

Belts! Belts solve all!!!!

One tight belt around the victims ankles and tailmaw to clamp it closed, one belt around waist to help prevent the wriggles and pin arms in place so less pushing and squirming, and one belt around neck for added security. Don't think there's any way now for the Mavi-fox to slip free now.

Art by  Kobada
Tailbulge is  Mavi
Dracour is ME! =D