1. Use ordinary clips: You can use ordinary wooden or metal clips instead of corncob splint. Hold one end of the corn stigma with a clamp, and then tighten it hard.

2. Use a rubber band: wrap the rubber band around one end of the corn stigma, and then tie the two ends together to ensure that the corn stigma is clamped.

3. Use rope or thread: wrap the rope or thread around one end of the corn stigma, and then tighten the two ends and tie them together to ensure that the corn stigma is clamped.