As far as I know, this Bradford firm doesn't make any other similar snack foods, just crisps. They've been crinkle cut for decades but I remember when they weren't. Anyhoo, what is your favourite Seabrook flavour...?
Mine is Pickled Onion. A little antisocial but very tasty and tangy. The Spring Onion ones are a bit overpowering for me. Smoky Bacon also good.