Here is my guess purely off the top of my head. Many beads used for fly tying
have a larger opening on one end than on the other to assist inserting the bead
past the bend. It looks like the slot might be an attempt to improve on the larger
Seems to me that if you are using a jig hook and you turn the bead around, the slot will cover the 60 degree bend in the hook eye and leave just the eye itself showing. Just a thought and don't know if that's true or not as I have no slotted beads or jug hooks to try it on. This would still allow the hook to ride point up.
I have not put a slotted bead on a jig hook yet, but I have put a standard bead on a jig hook once and didn't like how the bead sat back from the forward bend of the jig hook. I understood the slot allowed the bead to snug up tighter to the forward bend, taking up less of the precious shank real estate. ?
Thank you for posting this, as I am about to buy for our jig hook swap!
The slotted beads are for use with jig hooks. It allows the bead to flush up against the eye without leaving the large hole exposed. If you tie a normal bead to a jig hook and seat it flush with the eye you will see the purpose. You have the bead installed correctly in your photo.
I did some research. The slot is to allow the bead to smoothly make its way around the bend of the hook so my first assumption was incorrect. The slot goes to the rear and they are designed with the jig hook in mind.
I have tied them with both beads Norm. You can get the bead snug you can just eliminate the wide gap on the top where the large countersunk end is showing. Sometimes I just use dubbing for the thorax and it covers it up mostly. Sweet nymph by the way!
Maybe it is just me or the angle of the pictures. The top hook looks like a 90 degree jig hook while the bottom one looks like a 60 degree based on the eye angle.
Did you bend the second hook to accommodate the non slotted bead?