To send a PM, click on your Inbox located at the top right hand of this or any page. Click on New Conversation, then fill in the Conversation title and the name of the person you are PMing,in this case
@Pipes. Fill in the text box with your message.
Press send and the private message will have been sent.
Good luck! I have a Pipes made IH, the Skelator model. I've had it for a good long while now, maybe 2 years and it's been a trooper. The charge lasts a long time depending on your usage. I'm very pleased with my IH.