Handlebar foldable mechanism and tool for riding instead of walk

A tool for riding instead of walk, comprising a handlebar foldable mechanism, the handlebar foldable mechanism comprising:

• a base provided with a first snapping groove;
• a stem connected to the base and pivotable between an unfolded position and a folded position;
• a first locking assembly pivotably connected to the stem and configured to be engaged with the first snapping groove when the stem is pivoted from the folded position to the unfolded position;
• a lever pivotably connected with the base by a first pivot;
• and
• a second locking assembly mounted to the lever, and configured to be connected to at least one of the base and the stem when the stem is at the unfolded position,
• wherein the first locking assembly comprises a tensioning rod and a first snap, the first snap is connected to the tensioning rod, and the tensioning rod is pivotably connected to the lever,
• wherein the first snap is pivotably connected to the stem by a second pivot.