what to buy dad?

what to buy my dad and stepdad??

I spend £30 each on them

my dad so far has Lynx set, flask, 2 tops and some beer..... he has £7.50 left over

my stepdad so far has Lynx set and socks..... he has £20 left over

I want to spend as close to £30 each as I can

what NOT to buy my dad and stepdad

socks

clothes

gift cards/vouchers

experience days

watch

wallet

jewellery

shoes

cuff links

technology

so is there any little gifts u can think of to get my dad

also any gifts for my stepdad, not beer though (he's an annoying drunk)

thanks