What did Corrie's mother have in the hiding place that caused her not to speak?

Corrie's mother had a small, delicate object, a piece of jewelry, in the hiding place that caused her not to speak. This item was a significant reminder of their family's past and the risks associated with their situation. The weight of their circumstances and the fear of discovery made her hesitant to discuss it openly, reflecting the tension and danger surrounding their lives during that time.