This is a feature I used on a road trip where the Allpa sat in the backseat, but I wouldnt see myself using it during a flight for me, it would mess up the organization I value in the pack but your mileage may vary
Designed with the inshore angler in mind, the Revo Inshore low profile baitcast reel features an ergonomic, asymmetric X2- Crftic frame for added corrosion protection and High Performance Corrosion Resistant (HPCR) bearings that provide maximum protection under the harshest conditions
A visual explanation is more helpful than me telling you
Characteristics: Spool Size: 2500, 3000 Spool capacity: 0.20/240, 0.25/210 Bearings: 3+1 Ratio: 5.0 : 1, 6.2 : 1 See all products from: SHIMANO
All the packs are lidded top-loaders, though the larger sizes also offer handy additional access to the main body via a U-shaped front zip, plus a separate zippered bottom compartment with a toggled internal divider