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Features: Included raincover stores in pocket at base of pack Stretch side pockets carry water bottles or other quick-access items Internal sleeve with hose routing port and Hydraclipfor easily hanging hydration reservoir Adjustable sternum strap with safety whistle Upper side compression straps stabilize load and capture trekking pole handles Lower front loops for trekking pole tip capture Blinker light attachment loop (light not included) Front zippered pocket with key clip secures small essentials Wide, dual-zip panel access to main compartment Webbing hipbelt with padded hipwings CARRY INFORMATION: AirSpeed Suspension: Supportive mesh trampoline backpanel provides excellent ventilation LightWire peripheral frame tensions backpanel mesh and creates load support structure Harness: BioStretch harness offer flexibility without sacrificing stability for comfortable, dynamic support during body movement Spacer mesh over foam with die-cut ventilation provides breathable, cushioned load support Load lifters balance upper pack for optimal weight distribution Adjustable sternum strap with safety whistle Hipbelt: Webbing hipbelt with padded hipwings provides stability and load support Materials: Main Fabric: bluesign APPROVED, 100% recycled 210D high-tenacity ocean-sourced nylon w/ ripstop, DWR treatment made without PFAS Bottom Fabric: bluesign APPROVED, 100% recycled 420D nylon, DWR treatment made without PFAS Liner Fabric: bluesign APPROVED, 100% recycled 210D nylon, DWR treatment made without PFAS Specifications: Weight lb: 1.62 Volume L: 18 Dimensions (HxWxD in): 19.7 x 11.8 x 9.1 in Load Range lb: 5 - 20 lb WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer

That is something to consider when looking at knots and tying fishing knots because any knot will already weaken the overall strength of the line
A fantastic and useful find
A circular hook is a bit of an oxymoron, but a circle hook is actually shaped like three-quarters of a circle, with a barbed point that turns back towards the shank