This board makes very nice, consistent inexpensive dropper rigs.
The peg board (https://www.youtube.com/watch?v=PXUUDYYmBgU&index=12&list=UUVUn15mepoPxeVVtoPRL9ug)
How to make the peg board (https://www.youtube.com/watch?v=2pQxeQxdWSE&list=UUVUn15mepoPxeVVtoPRL9ug)