I have A bike “thong” goes over your set and attached to your handle bars and wings out over your top tube. Should cover everything.
But I second more cooking as well
Thinvik [2-Pack] Bike Frame Sweat Guard Sweat Absorbs Prevent Bicycle from Corrosion for Bicycle Trainer Indoor Cycling Training https://www.amazon.com/dp/B07CG8QKBM/ref=cm_sw_r_cp_api_aBH-BbDCSQAPZ