You'll get more opinions than Tradgang has fingers and toes. From what I've seen (and done), the vast majority of traditional archers draw with their fingertips.
Kisik Lee knows a thing or two about archery. To quote him "If viewed from directly in front of the archer, the fingernails should be almost invisible - the fingernails of the top two fingers should point at the archers throat, not out to the side". Look at the picture on page 3 of the link below.
Look
here for info on finger placement and hooking.
Also, look at page 8. The wrist is not straight.
No, these guys don't hunt. They shoot targets at very long distances very accurately.