The arc is always the same. Most bowhunters engage in a ton of summer target practice, but once the deer season opens, the frequency of those sessions plummets. Then, they take their bows out into the field where they get rained on, knocked around, and generally abused. Occasionally, they sit in hot trucks for days on end. Sometimes, this abuse will bump a sight or rest slightly off-kilter. Or, it might allow strings and cables to stretch just...