滑笔记 Strop Notes

平滑笔势 scratch-out gesture ; wisbeweging

润滑脂铅笔 grease pencil

圆杆滑石笔 round slate pencil

白滑石笔 white slate pencil

滑片墨线笔 cross joint ruling pen

浅绿滑石笔 light green slate pencil

浅灰滑石笔 light grey slate pencil

铅笔状滑移 pencil gliding ; pencil glide

方条滑石笔 flat strip slate pencil