It is a comb tooth for unfolding No.14 No. 16 Nippon Sugar Sugar Paper Pot.
You can unfold the paper pot and fix it to the seedling box.
Once the soil is inserted after fixing, you can remove the comb teeth and seed work.
Main uses: For cabbage, cabbage, honeysai, lettuce, broccoli, sorpy, melon, carnation, starchis