Laying tennis court lines.
<video controls autoplay loop style="max-width: 100%;">
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17513314975328.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
Previously:
1880s skirt lifter for female tennis players - photo
How tennis balls are made - GIF
Stringing a tennis racquet - GIF
Tennis ball pressurizer - photo
Tennis racquet stringing vise - photo
