add pls one click on dots to line duplicate

subj.

because when create duplicate line, her dots no have control and stick chart.

if u make one click for any from two dots or they no work is make more stable figure line duplicate.

if i no do one click for this dots i have native corner this line from moment create, if do i can correct native corner. 

i think this no much hard. thanks.

if is duplicate suggestion ama asqusme, no have understand because ur team no do it all this time, is usability very.