How to code the return of a boomerang (without returning it to the player's inventory)

Hi,

I am trying to make an adventure mod. It will be another dimension with new mobs and ores. During this adventure, the player will be able to obtain an elementary boomerang. And it will be this boomerang the subject of the topic :

The issue is, I don't know how to code the return of a boomerang. To be more precise I don't know how to do it realistically. I know that simply giving it back directly to the player's inventory would be easier. But the thing is, i wouldn't be satisfied.

So I ask you if there is a solution to this, and if possible using the procedures