Tameshigiri Survey

1.1. What style of iai do you study?
2.Does your sword school practice tameshigiri?
3.If no, is there a specific reason?
4.If yes, is this approved by your ryuha or specific to your dojo?
5.How often do your students cut?
6.What cuts do your students practice?
7.Does your dojo participate in tameshigiri competitions?
8.What benefit to you find from tameshigiri?