笔式劁猪刀外形象一支普通钢笔。笔帽是丹东产的白翎牌钢笔帽。主件相当于钢笔的主体部分。在钢笔尖的部位是用来劁母猪的槽刀。槽刀与外壳相连,也就是外壳的延续部分。笔杆里面用一薄钢板隔开,一边是劁公猪的外科刀,一边是刀杆,由 Pen 劁 pig knife shaped like an ordinary pen. Cap is the Dandong Bai Ling licensing pen cap. The main part is equivalent to the main part of the pen. In the pen tip area is used to sow sow knife. Slot knife connected with the shell, which is the continuation of the shell. Inside the pen holder separated by a thin steel plate, one side of the boar surgical knife, while the arbor, by