Hi Mark, You will fill your bottle up with water. Then you position your bottle to wear you need to be clean. All you do is squeeze the bottle and spray the desired area. If you have additional questions, please reach out to our Customer Service Team directly as they will be able to assist further. They can be reached M-F 9am-5pm CST at 847-458-2334 or toll free 877-339-5214. Thank you, Bio Bidet