You'll get the knack of it in five minutes.

It's all knack.

There isn't any thing else so stupid as a crab." Ford watched carefully, and obeyed in silence the directions he had received.
In a minute or so more the operation of the scoop-net was called for, and the fun began.
"You got him!" exclaimed Ford in a loud whisper, as he saw Dab quickly plunge the net into the water, and then shake out of it into the bottom of the boat a great sprawling "blue-legged" crab.

"He's a whopper!" "He'll do for one." "There's one on mine! I declare, he's let go!" "You jerked the clam away from him.

Sink it again.