Shannon from https://www.house-improvements.com shows you how to cut and install ABS plastic drain pipe in your house. This is commonly used for drain (sewer) and vent pipes in your home plumbing system.
https://www.nutsandboltsfishing.com Captain Cefus shows how to tie a Uni-Knot – used to connect main line to leader. Also used to connect hooks, lures and swivels