Some spiderwebs require players to use a blade (such as a knife, an axe or a bladed weapon like a longsword) to slash it before they can pass through. Since the player has a knife on their tool belt, there is no need for a knife or other slashing weapon in the inventory, as the tool belt knife will be used.
Players can left-click on some spiderwebs to attempt to pass through them, though this will not always be successful. Failure does not have any particular consequences, except that players will need to keep trying until they succeed. The first webs that did not need a blade to cut through may have been those introduced in the 2007 Hallowe'en event. However, the web in Varrock Sewers no longer needs a blade.
Other places where players need a blade cut slash a web include the Temple of Ikov in a room down a flight of stairs west of the entrance. It is inhabited by two level 4 giant spiders, but players can pick up free boots of lightness here.
- There is a glitch where if you use any item with the spiderweb in the Varrock Sewers (knife, gloves, coins, etc.), the player will attempt to pass through it. This may be due to the fact that you used to have to cut the web with a bladed item to go through it.
- Even though you no longer have to cut through it, there is still a knife spawn near the spiderweb in the Varrock Sewers.
- Cutting through webs does not give any experience, making it safe for skillers.
- You can cut through webs using a broken weapon such as a Guthan's Warspear 0 by selecting use on the web.