American Blue Claw Crabbing Equipment: 6 Topless Traps, Crab Tong, Measuring Gauge - Black in the Fishing Equipment department at
Gauge + Glove + 6 Replace Loops + 3 Pack crab 6-Loop Traps Designed for Dungeness, Blue crab, Red crab, Rock crab Great with a fishing rod. Self
AirFly Castable Crab Traps for Dungeness, Rock and Blue Crab (3 Traps + Gauge + Glove + Loops)
What is the most dangerous crab in the world? - Quora
Beginners' Zoology
Pro Fish Guide Master Crab Gauge - Pro Fish Guide
PDF) Mud crab aquaculture A practical manual
Blue Crab Measuring Tool / Culler
BLUE CRAB Catch, Clean, Cooks! 2hr Crabbing Compilation 
CHESAPEAKE CRABBING SUPPLIES Crab Measurers
Wallace, A. R. 1869. The Malay Archipelago: The land of the orang-utan, and the bird of paradise. A narrative of travel, with studies of man and nature. London: Macmillan and Co. Volume 2.
Comes with a crab tong, 40' of throw line and a gauge. When done has a bungee and hooks to hold the bottom trap doors up so can stack nicely.
American Blue Claw Crabbing Equipment: 6 Topless Traps, Crab Tong, Measuring Gauge - Black | TL-1010-BLK Pkg
Trade-marks Journal Vol. 64 No. 3252
American Blue Claw LLC