forms question on seven star mantis

[mantis7]

I was asked by a friend about a paticular for.. I dont know this form and was wondering if it was even a mantis form.. can someone please tell me if this form is a mantis (7 star) form.. the name is Tie bi shou ( iron arm) what does this form consist of if it is a mantis form.. what aspect does it train

Thanks all
Victor :cool: