SHLA Group 21 in. Wood Paint Stick for 5 Gallon (3-Pack) PS5G-3 - The Home Depot
ToolSpace Paint Mixing Stick, Paint Stirrers, Mixing Sticks, Plastic Paint Mixer, Hand Tool for Even Mixing of Colours for Uniform Results, Pack of 1 : Amazon.co.uk: DIY & Tools
Teacher Mama: 7 Uses for Paint Mixing Sticks in the Classroom - Boy Mama Teacher Mama