You asked – are there any other objects like it?
This is only one of these kinds of objects from the same time period. Quite a few similar objects have been found in the region. Sometimes they have the same animal carved on it, and sometimes different animals. Sometimes they have a hook and sometimes they have a groove to rest something in. They all have holes in the long handle to fix it on to a wooden handle to make it longer.
By looking at similar objects from other hunting and gathering communities around the world, archaeologists think it is like the atlatl, which is from South America, and the woomera from Australia. Here is a modern version of these.
A modern object that’s quite like it are the dog ball throwers that help you throw the ball further.