Tear-free cut: the rubber lip presses the material directly against the cutting edge, thereby minimizing material tear-out. Since the splinter guard is cut during the first use, it reflects the exact cutting edge, allowing for precise alignment at the starting point. The replacement splinter guard is self-adhesive and can be easily trimmed. The splinter guard prevents edge tearing even with angled cuts, and with its help, the guide rail can be accurately aligned at the starting point. To ensure this over time, it must be replaced regularly.