Illustrations and locations of the case studies. Clockwise from top

Heldig Fishing Scale Luggage Scale, Fish Scale Portable Scale 88lb/40kg Pocket Size Multi-functionals Pro Scale with Tare Back-lit LCD Display for

Fishing Scales T Bar Digital and Weigh Sling in Case Carp Fishing Scale XPR NGT

Scales & Weighing Slings, Anglers' Equipment

Korum Compact Digital Scales

40kg/10g Mini Digital Fishing Scales w/ Hook Luggage Scale (Black Case)

50KG Digital Fishing Scale with Ruler Portable Travel Luggage Weighing Scale Digital Fishing Scale Kitchen Food Scale - AliExpress

Digital Hanging Scale 660 LB 300 KG Cast Aluminum Case - Heavy Duty Waterproof Fish Scale - Portable Crane Scale for Luggage Weight Suitcase Hunting Farm Bow Fishing Scale Heavy Duty Orange

BESTOYARD 2pcs Spring Scale Hanging Scale Fruit Hook Vegetables Scale Weight Scales Fishing Rod Case Balance Small Scale Travel Scale for Body Weight

Set Line Fishing Bucket Electronic Scales Stock Vector (Royalty Free) 2323345151

Fox Digital Fishing Scales 60kg / 132lb Including Case - Tackle Up