It seems to me that research have learned titling from modern journalism. It is the actual research title and it is clickbaity. >Without a large true contact

It seems to me that research have learned titling from modern journalism. It is the actual research title and it is clickbaity. >Without a large true contact area made by our hands, it would be nearly impossible to lift a glass or to hold onto a handrail in a transport vehicle. As a side note, the reason why usually you don't drop a glass when gripping it with your hand is largely due -besides friction - to the fact that the glass is usually a truncated cone with the larger base on the upper side, and as well handrails have a suitable outer diameter to be enclosed in the hand and allowing to tight your fingers around it - between 40 and 50 mm. Try holding (in a transport vehicle) onto an 80 or 90 mm handrail (rubber covered) ...