$10 DIY Retainers?! // InstaMorph Moldable Plastic

InstaMorph ➮ $10 : http://amzn.to/2G7LxPv
Plastimake ➮ $22 (but cheaper by volume) : http://amzn.to/2HPACaF
Can you make your own retainers to save a trip to the dentist and lots of money? Yea, with PCL you actually can! Should you? ... it's hard to say