Originally Posted by semocrappie
Same here - my grandpa was in construction and we used window weights sometimes. Other things he let us have for anchors over the years included the head off a 15 lb sledge hammer and a 6" long piece of a railroad rail with a loop made of bent rebar welded on top to tie on to. That piece of rail was HEAVY and put plenty of dents in the boat, but when it was in the water, it never dragged an inch.
My coffee can anchors are doing the job for me now.