This product is designed specifically for aiding anal fist play and fisting. The lubricant is specifically a fisting lubricant which is different from normal lubricants (ie) different base ingredients / properties. Fist Grease Numbing is for heavy duty fist play and is perfect for use with pre-mixed lubes such as J-lube and other fist powder and mixing lubes, as fist play requires a lot of lubrication. Its specifically for helping and aiding the recipient to expand the anal passage as much as possible while providing the lubrication required and the numbing effect is to help aid any discomfort. This lubricant is NOT for beginners to anal play or for individuals just looking for a lube that has numbing properties.