If it wasn’t clear already… one should never sit on vacant pedestals or displays. In fact it’s solidly unwise. Your future is as fragile as glass, and running afoul of magic such as this can leave it immobile in a direction you might not expect. So just remember, think hard before you sit.
 
Gilda finding herself transformed into a glass statue, in a bit of a vulnerable state… and soon to find herself a little ticklish in her predicament when the custodian comes by with a certain feather duster.