Subscribe | UPI Odd Newsletter Subscribe LOS ANGELES, Sept. 23 (UPI) -- A popular porn star said sparks flew out from a sex toy she was using in at a California video shoot, burning her hands and nearly scathing her genitals. Missy Martinez said she was using a Hitachi Magic Wand vibrator, one of the world's best-selling sex toys, during a scene Tuesday when the handle started to heat up and sparks began firing off from where the device connects to its cord. Advertisement Martinez told TMZ the sparks were just inches from her genitals and those of her scene partner. She said she suffered minor burns to her hands. The porn star said she has written a letter to Hitachi demanding an investigation into the alleged defect.