Oh, drop shot...some professional anglers call it the best producing rig ever made, and it is hard to argue with that, even though I believe we have something better but let's keep it a mystery for now. The shape of this specific weight is made in such a way to minimize snags and make it usable for a so-called Jig or Jika Rig.
It is shaped like a banana to make it less snaggy and
Black variant is great for stealthier presentation
The addition of a swivel makes it perfect for a Jika or Jig Rig