Tenga is a Japanese male sex toy company that makes all sorts of products for men, including its single use egg masturbator. Check out any Don Quixote store for the sex toys section, Groin Pain: Causes and When to Be Concerned Groin Pain In Men: Symptoms, Causes & Treatments Inguinal hernia Diagnosis Treatment London General Surgery Clinic (LGSC) Pectineo femoral pinch syndrome: A common cause of groin & anterior thigh pain and weakness MSK Neurology Groin Pain and Swelling in Men: What Could it Mean? Urology & Prostate Cancer Physician located in Central Midtown, New York and East Hills, NY David B Samadi, MD