If you think the pinhole is too large and the needle cannot be fixed when inserted into the pinhole, you need to clamp the pinhole with pliers to make the pinhole smaller, and then try to insert the pinhole again. If you think the pinhole is too small for the needle to be inserted, please use an awl to punch the pinhole. Then try inserting the pinhole. These rooting rehair tools are suitable for doll hair rooting, hair style design and other crafting, making your doll looks charming with beautiful and shiny hair. Enough quantities and ample sizes can meet your ordinary use and replacement.