What is the cheapest handheld laser for this and how many Watts would I need? Shoes are hanging from power lines all over my neighborhood and it's a major eye sore. I just need to nick shoe laces from about 25 feet with a steady hand. I can't use projectiles because there are too many cars and houses nearby. I also don't have room to store long fruit picker poles because I live in a dense urban eby nathanpdx - Laser Cutter Working Group