In this episode Matt and Jeff share some of their survival hacks.
(supporting short video)
(LONG VERSION: to get the full story! 24 minutes of funny English!)
Fresnel lenses have the same magnifying properties as a traditional lens but using a lot less material. The are much thinner and lighter. The lens used in this video is made of acrylic.
(source: wikipedia)
They were first developed and used on lighthouses, but have applications in many areas like in aircraft carriers landing systems
(source Wikipedia USS Dwight D. Eisenhower )
You want to cut different shape and color of lure. Some will be more effective than others! It is a really cheap way to make lures ;-) You an also use an old credit card where the reflective security part can also attract your fish.