Scar-H(Heavy）重型版，也有Scar-L(Light）轻型版。 利用影袭枪托可以通过降低瞄准移动速度来提高瞄准呼吸稳定度的特点，来提高后坐力的控制。

Her study sheds new light on the potential of these cells to improve surgical scars and prevent pathological scar formation. The paper is published in the Aesthetic Surgery Journal Open Forum.