More About Lube the Tube
There are several choices when one wants to lube the tube. The two main options are water-based and silicone-based lubricants. Silicone-based lubricants last longer. Just a little drop can go a long way. However, these may compromise the materials used in condoms and many sex toys. Water-based lubricants are generally safer to use with condoms and toys. One just needs to lube the tube repeatedly to retain lubrication.