More to explore:
bicycling safety first.
This makes me think of a bicycle riding friend on the west coast. Watch out for our two-wheeled friends on the road. :)
A mother fastening a notice reading ‘Please Mr Motorist, watch out for me’, onto her son’s back before he sets out on a trial bicycle ride, 1937. #bike #bicyclette #kids #vintage #velo
1937: A mother fastening a notice reading 'Please Mr Motorist, watch out for me', onto her son's back before he sets out on a trial bicycle ride. : 27 Awesome Vintage Photos of Moms | Mental Floss