There a lot of different massagers on the market. The user has to make an individual choice.
One example is the massager on picture below, a massager with ergonomic soft handle used for tight muscles and as a sex aid. The device has a fully adjustable speed control that makes it possible to adjust the massage strength to individual needs. It comes with 3 massage heads with various degrees of hardness for gentle, medium, and intensive massage.
An ordinary muscle massager can be used as a sex aid. Generally speaking men need the highest frequency, woman with sensitivity the lowest. You have to test.
The user recommends massagers with electric cord. They last longer than battery-run appliances. The model on picture 2 is unfortunately extremely heavy, though it is one of the few currently available with an electric cord.
Battery-run massagers are easier to take along.
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