The metal object pictured here is in fact a ground stand. The pointed end is inserted into the earth. Then, the fork is used for holding the bow and the square loop is used for holding arrows. Such stands are very useful for archery competitions. Indeed, there was evidence that Innuendoughnut’s great-uncle did a lot more than hunt.
These antique pins, for example, are evidence of trips to the Olympic Games in Germany, Denmark, New Zealand and Israel. This prompted some excited speculation on reddit that Innuendoughnut’s great-uncle had been a competitor. However, Innuendoughnut himself thought the pins were probably souvenirs rather than prizes.