Some people over-complicate denial and chastity.
It doesn’t need to be so complicated!
If you’re new to it (or even if you just want to fool around again) it can be pretty simple!
Tell him you’re going to be denying him for a couple days (or put him in a cock-cage to make it clear), and then make a point of masturbating multiple times a day, but at least once a day – the key is to do it in front of him, or half the time when he knows you’re doing it but he’s at work or not around.
See! Simple! Don’t overdo it if you don’t want to or don’t know how to make it a complex game or even if you don’t necessarily have the time, what with work and life and kids.
Example of “he knows you’re doing it”: Send him a text message, ask him how his day is going, then tell him you’re naked and about to get busy with yourself – send him a nude if you feel like it. Then a couple minutes later when you’re done, tell him you’re done. Heck, tell him how many times you came! It drives men crazy with lust!
That’s the point of it, isn’t it?
Bonus: You get to cum, which is also kinda the point, isn’t it?!