Casting a 2 Part Mold for Hollowbacked Holds

Things begin to get complicated here. As you start casting larger holds, it's important to keep the resin amounts as low as possible for cost savings, and the only way to do that is two part molds. Or steal your resin. This is the legal option. Use “JDClimb10” on the Alumilite website for 10% off any Alumilite product. Alumilite RC-3 Tan: https://www.alumilite.com/resins/alum... Alumilite High Strength 3 Silicone: https://www.alumilite.com/silicones/h... Smooth-On Smooth Cast 320: https://www.smooth-on.com/products/sm... Smooth-On Mold Max 20 Silicone: https://www.smooth-on.com/products/mo...