KiwiWallet have some additional cash back offers for Black Friday.
I don't generally purchase because of a cash-back offer, but its definitely worth claiming if you can, and regard it as a bonus if you get it.
The Athletes Foot
plus others - see link.
The expiry dates seem to vary - I spotted 28, 29, and 30 Nov 2021 so I have set to expire on 28 Nov 2021.