As stated by american security guards When necessary, security guards are permitted to carry handcuffs and use them to perform citizen arrests. Before using them on the job, it is recommended that they receive proper training. As a result, they can use them without the risk of harming themselves or others.
Is it required that security guards be tall?
No. In the end, a security guard's training and skills far outweigh their physical appearance or height. There are times, however, when a client or business will seek a larger security guard because that is what they require.