Please choose the correct solution to the question: How to use a zip blade.

Solution1: When cutting glass (thick or thin) with a zip knife or an exacto knife, it will cut like butter if you tilt the blade in relation to the object being cut.

Solution2: When cutting cardboard (thick or thin) with a zip knife or an exacto knife, it will cut like butter if you tilt the blade in relation to the object being cut.

Answer format: solution1/solution2