Thanks for the videos! So it seems like double-sided magnets would be best for dragging along the river floor and single sided magnets are best for lowering down from the top of the water. Would something like this with two removable hooks work well in both situations (depending on which hook was attached), then? Thanks! https://www.amazon.com/dp/B07Q4LB83V/ref=sspa_dk_detail_1?psc=1&pd_rd_i=B07Q4LB83V&pd_rd_w=jjIYv&pf_rd_p=45a72588-80f7-4414-9851-786f6c16d42b&pd_rd_wg=4xvzk&pf_rd_r=STM7CJ444YWEMJR2TMJ3&pd_rd_r=864343f5-5592-4e3a-a514-c2bcc5c728d8&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzOUU4WTFNVU1TMVNTJmVuY3J5cHRlZElkPUEwOTI4MDg2M0dXNVY2WUJTQldEQiZlbmNyeXB0ZWRBZElkPUEwNzQ0MjEwMzU0REdPVFJaRk1GWSZ3aWRnZXROYW1lPXNwX2RldGFpbCZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=