yes
but speaking from experience
when you are restraining someone
all your training goes out the window and you end up grabbing them round the neck
you have no idea how hard it is to restrain someone without hurting them one on one
especially when they are wired on drugs or drunks
this is why people need to learn Ryabko Systema

Mikhail Ryabko
Career: Worked in militia in RF Ministry of Interior Security Department, trained the Minister’s security guards. Advisor for RF Minister of Justice. Deputy Head of RF Ministry of Interior Management Department, fulfilled personal commissions of RF Ministry of Interior Security Department. Senior Public Prosecutor in Organisational and Inspectoral Department of RF General Prosecutor Office. Assistant to RF General Prosecutor. During 10 years served in special units, participated in military actions, hostage release operations, worked as instructor in centre for operative and technical training of special task unit. Veteran of military actions and veteran of labour. Has national awards from RF President, Minister of Interior. Awarded with personalised name arms by Minister of Justice Y.Chaika. Also has awards from Russian Orthodox Church, is a member of Board of Trustees for Construction and Restoration of Russian Orthodox Church Temples and Monasteries in Russia and Abroa