Multi-select problem: How does the next paragraph end?

How to remove chewing gum from leather
Rub the gum with ice.
Place a piece of ice in a sealable plastic bag to avoid any water damage caused by drips from the ice. Take a piece of ice and slowly rub all over the gum.

OPT:
i. The coldness of the ice will harden the gum, making it easier to chip away later. If the leather item is small enough, place it in a plastic bag and then put it in the freezer for about an hour..
ii. Make sure to find the seam where the gum was. It should open up so you can see inside the gum..
iii. Because this method works the easiest on leather (and gum) it has no adverse effects on the gum. Ice can help relax the surface tissue between gums..
iv. The ice will help to numb the gum and prevent it from burning. Ice only works in small areas, such as minor cuts or abrasions..
i.