Lines on baseline?

[UKBrassowTipIN]

I'm noticing on the baseline there's too small hashes a couple feet on each side of the paint. What are these and long have they been implemented onto the court?

Are they markers for underneath taking it out of bounds spots?

 

[davekersey]

Yes

 

[csjones240]

I'm noticing on the baseline there's too small hashes a couple feet on each side of the paint. What are these and long have they been implemented onto the court?

Are they markers for underneath taking it out of bounds spots?

Designated throw in spots!