Infinity leads with bees

If I put a fence on a bee nest or hive, I get some bees then I attach the bees to the fence with leads. If the bees are pollinating and going inside the nest/hive, the lead drops out as an item. When the bee goes out, it has the lead on it, attached to the fence. We can duplicate leads with this. I can't attach a video because it has too big file size.