> like throwing a guide line over a tree You mean like this [0], or indeed three of the other four images in the the article I link? [0] https://en.wikipedia.

> like throwing a guide line over a tree You mean like this [0], or indeed three of the other four images in the the article I link? [0] https://en.wikipedia.org/wiki/Line_thrower#/media/File:US_Navy_101018-N-5538K-071_Aviation_Ordnanceman_Eric_C._Bell_fires_a_shot_line_from_the_starboard_side_of_the_forward-deployed_amphibious_assault_s.jpg https://en.wikipedia.org/wiki/Line_thrower#/media/File:US_Na...