Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to protect your horse's eyes from flies [title] Use a " grooming mitt " to apply fly spray. [step] One of the most common remedies used to keep flies away from your horse's eyes in an insecticide fly spray. There are many kinds of sprays on the market.

Ending1: Most of them are applied using either a circular approach or reverse potholders. [substeps] To use reverse potholders, unbend the fly line at least one third of the way down from the end of each pole. Ending2: However, i've also found that one drop of this particular brand of bug spray can scare away flies. Here are some common sprays : [substeps] Aerosol insect spray spray commercial insecticide [title] Spray with powder or lemon juice. Ending3: To ensure that you do not damage your horse's eyes, spray the insecticide generously onto a grooming mitt, and then wipe the mitt around your horse's eyes. [substeps] If the spray should get into your horse's eyes, flush with cold water. Ending4: Plan to purchase a spray that can be applied only to your horse's eyes, but that will let the flies air out of his eyes without harming him. [substeps] If you do not have a natural fly spray, you could try rubbing some baby powder over your horse's eyes before applying fly spray.

Answer format: ending1/ending2/ending3/ending4