1. Most of the roe flowing out of steamed hairy crabs is because the front side of the crab is facing up when steaming, which will cause the roe to flow out. As long as the back side of the crab is facing up when steaming, the roe will flow out. It won't leak out.

2. There are also techniques for steaming hairy crab roe. Wash the hairy crabs first. If they are bundled crabs, do not open them. This will make bundling and steaming better.

3. When steaming crabs, it is best to put some Sichuan peppercorns into the belly of each crab to remove the fishy smell and improve the fragrance.

4. When steaming crabs, you can also clean the steamer, then place the ginger slices on the steamer, then put the back of the crab into the steamer and sprinkle with appropriate amount of salt water.

5. In addition, the effect will be better if you put cold water in the bottom of the pot to steam the crabs. You can steam the crabs on high heat for five minutes. Then, after the steamer is completely steamed, change to medium-low heat and steam for 8 minutes.

6. There are also skills to steaming crabs. It is best to use cold water to steam crabs. Crabs steamed in cold water are full of fragrance, tender and delicious. A few people can cook crabs, but they should also be cooked in cold water.