human
How can I make a DIY cat scratching post?
assistant
1.  Start by gathering supplies such as wood, nails, screws, and string.
2.  Measure the area you want to cover with your scratching post and cut the wood accordingly.
3.  Attach the nails to the bottom of the board and secure them in place using screws.
4.  Finally, attach the string to the nails and hang the scratching post where your cats will be able to reach it easily.