How are phones/tablets fixed at exhibitions and in shops?

Question

Mobile devices

What are these devices for fixing mobile equipment on stands called? Where can you buy?

Answer 1

russian.alibaba.com/product-gs/anti-theft-security-security-alarm-display-stand-holder-for-cellphone-exhibition-582430057.html
ru.aliexpress.com/item/Mobile-phone-anti-theft -display-rack-mobile-phone-anti-theft-alarm-mobile-phone-independent-alarm-display/679475324.html
ru.aliexpress.com/item/Mobile-phone-anti-theft-display-rack-mobile- phone-anti-theft-alarm-Alarm-host-mobile-phone-independent/667440677.html
ru.aliexpress.com/item/Mobile-phone-computer-notebook-anti-theft-security-products-exhibition/706600552.html
I must say Google does not skimp on such links ...

Answer 2

Kensington locks?