The pocket knife will be easier to find. I'd go swimming with lightweight cotton gloves on and let my fingers do the walking.

I learned long time ago, working on a pier doing anything if the water wasn't frozen is akin to working on a high rise building outside. Don't drop anything.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).