Yes, it is possible to stretch a canvas on an already stretched canvas frame. This process is known as re-stretching and involves removing the existing canvas from the frame and replacing it with a new canvas. It is a common practice for artists who want to reuse a frame for a new artwork or for conservators who need to replace a damaged canvas. However, it is important to ensure that the frame is in good condition and suitable for re-stretching before attempting this process. **

It is generally not necessary to tighten a pre-stretched canvas, as it should already be stretched and primed for painting. However, if you notice any sagging or slackness in the canvas, you can use canvas keys (small wooden wedges) to tighten the canvas by inserting them into the corners of the frame and tapping them gently with a hammer. This can help to adjust the tension of the canvas and remove any slackness. Just be careful not to over-tighten the canvas, as this can cause it to warp or crack. **

Yes, it is possible to not erase a pencil on a stretched canvas by using light, gentle strokes when sketching out the initial drawing. This will minimize the visibility of the pencil marks and make it easier to cover them with paint. Additionally, using a kneaded eraser or a soft brush to gently lift off any excess graphite can help to reduce the visibility of the pencil marks without completely erasing them. Finally, using a light-colored ground or underpainting can also help to minimize the appearance of pencil marks on the canvas. **

To glue bottle caps to a canvas, you can use a strong adhesive such as E6000 or a hot glue gun. First, arrange the bottle caps on the canvas in your desired pattern or design. Then, apply a small amount of the adhesive to the back of each bottle cap and press firmly onto the canvas. Allow the glue to dry completely before hanging or displaying the artwork. It's important to ensure that the bottle caps are securely attached to the canvas to prevent them from falling off. **

The peacock loses its feather splendor as a part of its natural molting process. Just like other birds, peacocks shed their old feathers and grow new ones to maintain their health and vitality. This process usually occurs after the mating season, as the male peacock's vibrant feathers are primarily used for attracting a mate. Once the mating season is over, the peacock sheds its old feathers to make way for new ones to grow in time for the next breeding season. **

The royal display of splendor is often justified as a way to uphold tradition, showcase the country's cultural heritage, and project a sense of grandeur and authority. It is also seen as a way to attract tourism and promote national pride. Additionally, the royal family may argue that their lavish displays are a reflection of their status and role as symbols of national identity. However, critics may argue that such displays are excessive and out of touch with the realities of modern society. **

Baseball jerseys are the uniforms worn by players in the sport of baseball. They are typically made of lightweight, breathable material and feature the team's colors and logo. Baseball jerseys often have the player's number on the back and may also include the player's name. They are an essential part of the team's identity and are worn during games to represent the team on the field. **

Metal baseball bats are known for being more durable and long-lasting compared to wooden bats. They are also typically lighter in weight, which can help players generate more bat speed and power when hitting the ball. However, some players argue that metal bats have a different feel and sound compared to wooden bats, which can affect their performance and preference. Ultimately, the choice between metal and wooden bats comes down to personal preference and the specific needs of the player. **