Standard tatting abbreviations are used.

Four hole button, 7/16 inch, less the 1/2”.  About the size of a mans shirt button.  Size 8 thread

Joins to button are made by pulling loop of thread through button hole with crochet hook, front to back, put shuttle through the loop, Pull taught, upwards, so that the rings “sit” on the edge of the button.  All rings are closed and no space is left between rings or joins to button.

Wind 3 yard on shuttle. Cut from ball. Leave about 5 inch tail before starting the first ring.

R 8-4-4 join to first button hole holding first ring securely in place so it “sits” on button edge.
R 4+LPPR 4-4-4 Join in same button hole.
R 4+LPPR 4-4-4 Join in next button hole.
R 4+LPPR 4-4-4 Join in same button hole.
R 4+LPPR 4-4-4
R 4+LPPR 4-4-4 Join in next button hole
R 4+LPPR 4-4-4 Join in same button hole.
R 4+LPPR 4-4-4 Join in next button hole
R 4+LPPR 4-4-4 Join in same button hole.
R 4+LPPR 4-8
Cut about 5 inches and secure this to the back of the button near the button holes, using crochet hook or tapestry needle.  Secure the starting end that you left in the same manner. Now tie and but leaving about 1/8 inch.  Place small amount of glue to back of button and threads, secure and attach.  Leave to dry thoroughly for 24 hours before wearing.