#10 thread, 1/4" space between rings.

1. 4- 4- 4- 4 close ring.

2. Sm. ring 4-' 4 close ring.

3. 4+ 4- 4- 4 close ring.

4. 4+ to sm. ring 4- 4- 4 close ring.

5. 4+ to a 19. ring 4- 4- 4 close ring.

6. 4+ to 19. lower ring 4 close ring.

7. Repeat