To mass-produce something means to make many copies of it cheaply in a factory, whereas a bespoke product has been made specially for one person in particular.
All his gestures as he flits about amid the loud uproar of the falls bespeak the utmost simplicity and confidence — bird and stream one and inseparable.
The firms using it replace lumpy capital expenditure on rickety bespoke it with a variable payment for a service that can easily expand its capacity as needed.