Soaped up solo masturbation for girls is one of the great ways to get her ready for your big day. With your fingers or your dildo as a guide, give her a sexual treat. I bet she'll be talking about it for weeks to come! You can use your imagination to make this masturbation totally special - it can be something sexy to do alone or you can add some lube. Or you can combine two of these naughty techniques: riding and masturbation. Or use a combination of both techniques!.