We don’t have a clear answer on this. There was a video I saw once that you might be able to find on YouTube still where a guy experimented with them and tried different methods. Frankly didn’t really solve the question for me. They all seem somewhat viable. Underhand straightforward seem to work all right. Kind of overhand like a javelin sort of worked although maybe not the best. They also tried kind of loping overhand so it came down on top of the target sort of like you’re implying. Considering the weight of them I think that might make the most sense.