How can I use small stones as garden markers for reseeding plants?

How can I make a stone border for my garden as a marker for plants that reseed? I will be using small rocks (bought a bag at dollar Store). Would you suggest glueing them together on a mesh strip or another fabric? But how messy this will be! I know I can use larger stone/rocks by just placing them on the ground but thought this might be a different look. Thanks!

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