Absolutely not. Sticking a knife or any other metal object into a toaster is extremely dangerous and can lead to serious injury or even death. Toasters are electrical appliances that operate at high temperatures to toast bread or other food items. When you insert a metal object like a knife into a toaster, you create a risk of electrocution, as the metal can conduct electricity and cause a short circuit.
Furthermore, the toaster's heating elements can cause the metal to become extremely hot, leading to burns or starting a fire. This can also damage the toaster and pose a fire hazard to your kitchen and home.
If you encounter a situation where something is stuck in the toaster or if the toaster is not working correctly, always unplug it from the electrical outlet before attempting to remove the object or troubleshoot the issue. If you are unsure of how to handle the situation safely, it's best to seek assistance from a qualified professional or contact the manufacturer for guidance.
Remember, safety should always be the top priority when dealing with electrical appliances or any potential hazards in the kitchen or elsewhere in the home.