Yet, reducing speed below Vref during flare is considered a Cardinal Sin by others
10 kts below Vref may be sin if you do it above HAT= 1 MLG strut length, or at any flare HAT while you level off.
On flare Vref = 1.3 or more Vstall, while on Take Off V2 = 1.2 or more Vstall, and yet most of time you should rotate and reach V2 in the air....
PS
The best landing "technique" is exactly opposite to ANY normal Take off
