Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to trim horse hooves [title] Gather your tools. [step] Before you get started you will need to collect the tools required for trimming a horse's hooves. These tools will all serve a different function and all are required to properly clean and trim your horse's hooves.

Ending1: Make sure you have the following equipment : [substeps] Gloves to protect your hands and fingers as you work. Hoof nippers will be used for the actual trimming of the hoof. Ending2: [substeps] Begin by purchasing a large shovel or animal groomer's knife, a razor or paring knife, a nail (or buffer) and a pair of circles (broad wooden handles attached to a horse's bridle). Find a horse-riding machine that is well adapted to horse hooves. Ending3: Such tools include : [substeps] Hoof clippers instruments shears (sharp, multi-pronged and serrated) pain relievers [title] Get a shoe box. [step] Before you work to cut your horse's hooves, you will need to get a shoe box. Ending4: [substeps] You will need a pair of hoof clippers, a pair of hoof loppers and a ruler. You will also need to find an appropriate hoof trimmer, if possible.

Answer format: ending1/ending2/ending3/ending4