Those ears are a whole separate tick-checking project on their own
Clyde's ears near about drag the ground when he's sniffing around, and between the length and all those folds it takes real patience to check them properly after he's been out in the grass. Add in his droopy face skin and you've got two different problem areas most breeds don't even have. Slow going but I get through the whole check every evening regardless.
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Had a Basset years back myself, those ears really are their own project entirely. Glad to see someone still taking the time to do it right.
The extra folds and ears really do add a whole layer most breeds don't require, respect the patience it takes. Listing page here for anyone considering a Basset: https://allinpets.com/pets/dogs/basset-hound/
Long ears and loose facial skin both create hiding spots most owners don't think to check as thoroughly, good on you for the nightly discipline. There's a solid resource on proper technique that applies well here: https://allinpets.com/blog/dogs/tick-prevention-for-dogs-62/