Its unique shape allows the pelvic floor muscles to be gently exercised, which over a period of time can strengthen the muscles. But Incostress is no substitute for active exercise using a resistance device such as the PelvicToner This small device is placed inside the vagina. It helps the pelvic floor muscles to regain strength, supports the bladder to its natural position, and helps the urethra controlling loss of urine. IncoStress® does not interfere with normal emptying of the bladder. It is reusable, discreet, comfortable and easy to use. IncoStress® is a medical device for stress urine incontinence only. Other degrees of incontinence or bladder problems should be discussed with your doctor first. Buy 2 save 20% - code 3721 Use of water based lubricant gel is recommended - Wet gel (code 3702) Astroglide (code 3705), or Sylk natural lubricants (code 3712) are available from Natural Woman.