① Determine the position of the P-con.

(2) Prepare a drill that matches the size of the P-con.
At first, turn it slowly to scratch it, gradually increase the rotation, and dig about 10 mm.

③ Drop the remaining part in the center with a chisel.

④ After dropping, remove the dust with a electric blower or brush.

⑤ Trowel-coating a primer to the part with the hole and fill it with a Repair Resin.

⑥ From the top of the Repair Resin, press it with a separate hole presser (a PET bottle cap is also acceptable).

⑦ Shave off the protruding Repair Resin with a scraper and you're done.