Contrary to :: conventional wisdom, strap on is used by both sexes – man and woman. The main difference between male and female strap ons is fastening construction: strap on for women often has long narrow cut which allows direct contact with vagina. Strap on for man has special cut for penis which allows man double penetration. Also some types of strap ons may be supplied with special attachments directed inward: for vaginal or anal stimulation. These sex toys are usually made of plastic, rubber or silicone. Choosing lubricants, you should mentioned the material strap on is made of. Rubber and silicone toys are damaged from oil based lubricants. Vaseline, massage oils are also inappropriate because of the same reason.
Needless to say that :: silicone based lubricants cannot be used with silicone sex toys. As for 100% silicone sex toys, you will not face with such problems unless it is not 100% silicone. It is also fine to use silicone-based lubricants with condoms of just about any kind. You have to be sure that it is made from 100% silicone elsewise it may destroy the sex toy and break it down. Using silicone-based lubricant with latex toy, make sure to double-check the information about the product and sure it is safe to use with latex. Apply the silicone-based lubricant in small amounts, spreading it around slightly until the needed lubrication is achieved.
Usage of vibrating :: bullets and eggs:1) Before the first use or transfer to another person you need to sponge them with antiseptic or wash in warm water with soap. Avoid water contact with battery socket.2) It would be more hygienic to use them with condoms.3) Lubricate it before using with any water-based or silicon-based lube. It will allow you to avoid any discomfort and reduce the possibility of injury.4) Sponge them with warm water and soap. Avoid water contact with battery socket.5) Don't use oil-based lubricants (vaseline, vegetable oils, creams) and lubes that aren't destined for this purpose. T may harm the material of vibrating bullets or eggs as well as you health.6) Don't scald them and don't boil.7) Vibrating bullets and eggs should be kept in dry and sun-proof place.