The Hercules DS640B clarinet holder fits French or German clarinets. It is transportable, weighs 0.5kg. The spigot can be separated.
The Hercules DS5232BB bracket has a folding fork with a locking pin that holds the upper fork in position.
The adjustable backrest securely supports the instrument.
The locking pin locks the bracket in place; just press to fold, making the support very compact.